\centering
\begin{tabular}[t]{lcc}
\toprule
\multicolumn{1}{c}{ } & \multicolumn{1}{c}{\makecell[c]{Predicted share of people\\that pick trans\\(community)}} & \multicolumn{1}{c}{\makecell[c]{Predicts that other picks trans (=1)\\(within group-of-3)}} \\
\cmidrule(l{3pt}r{3pt}){2-2} \cmidrule(l{3pt}r{3pt}){3-3}
  & (1) & (2)\\
\midrule
3-person discussion & \num{0.043}*** & \num{0.240}***\\
 & (\num{0.012}) [\num{<0.001}] & (\num{0.022}) [\num{<0.001}]\\
\midrule
Num. observations & \num{2249} & \num{4465}\\
Num. participants & \num{2249} & \num{2238}\\
Num. groups & \num{751} & \num{751}\\
Outcome mean: No discuss. (priv.) & \num{0.50} & \num{0.36}\\
Controls & X & X\\
q-value of treatment effect & 0.001 & 0.001\\
\bottomrule

\end{tabular}

